#include "ex16_19.h"
#include <iostream>
#include <list>
#include <string>
#include <vector>
using namespace std;

int main(int argc, char** argv) {
  vector<int> vec1;
  vec1.push_back(2);
  vec1.push_back(3);
  Have(vec1);
  system("pause");
  return 0;
}